<div class="row">
  <div class="col-sm-8 col-sm-offset-2">
    <div id="myId" class="dropzone" style="min-height: 300px"></div>
    <div class="pull-right">
      <!--<button class="btn btn-default" (click)="cancelSubmit()">取消</button>-->
      <button class="btn btn-success" (click)="submit()">提交</button>
    </div>
  </div>
</div>
